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ETC |
1.0
Gate position
1.9
Sound
output hole
Indication of production lot
Silicon rubber
3
(+)Terminal
2.2 0.4 ( )Terminal
5.5 2
100
90
dB
80
70
60
50
1k
2k 3k
5kHz 7k 10k
1.7
Sound output hole
4
0.3
Silicon rubber
–+
4 Epoxy resin
100
dB
90
80
70
60
1k
2k 3k
5k Hz7k 10k
Indication of polarity
2.3
Sound output hole
6
(+)Terminal
0.9
8.5 5
( )Terminal
100
dB
90
80
70
60
1k
2k 3k
5k Hz7k 10k
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